311544454322 has 16 divisors (see below), whose sum is σ = 486675567000. Its totient is φ = 149391365760.

The previous prime is 311544454313. The next prime is 311544454337. The reversal of 311544454322 is 223454445113.

It can be written as a sum of positive squares in 4 ways, for example, as 297580069081 + 13964385241 = 545509^2 + 118171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18016379 + ... + 18033662.

Almost surely, 2^311544454322 is an apocalyptic number.

311544454322 is a deficient number, since it is larger than the sum of its proper divisors (175131112678).

311544454322 is a wasteful number, since it uses less digits than its factorization.

311544454322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36050221.

The product of its digits is 230400, while the sum is 38.

Adding to 311544454322 its reverse (223454445113), we get a palindrome (534998899435).

The spelling of 311544454322 in words is "three hundred eleven billion, five hundred forty-four million, four hundred fifty-four thousand, three hundred twenty-two".